JMAC Customs ST-5 Skeletonized 5 Position Tube For Compact M4 Stocks - 1913 Folding Mechanism

This M4 tube adapter replaces the standard buffer tube to ensure the stock folds as flat as possible! (With proper folding adapter) The ST-5 was designed specifically to allow stocks such as the LWRC Ultra Compact Stock to collapse all the way up to the folding mechanism for a shorter overall length and profile. The ST-5 is the perfect option for compact stocks and braces! Fits most M4 style stocks/braces Lightweight and Rigid Integrated QD Sling Sockers 5" Length 5 positions Compatible with SIG folding mechanisms 7075 T6 Aluminum Type III Hardcoat Anodized FM-SM-1913 - 1913 Folding Mechanism Clamps on any "1913" or "Picatiny" Rail Works with all of our ArmBar, Skeleton Stocks and Skeleton Tubes Works with SIG MPX/MCX folding braces/stocks Folds Left or Right Has 2 height adjustments 4140 HT Black Nitdride Torque spec: 20 in/lb. Adds approx .5" to stock/brace length Allows your stock/brace to lock in the folded position